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Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Securities held to maturity, fair value $ 8,788 $ 11,739
Preferred stock authorized (in shares) 1,000,000 1,000,000
Preferred stock issued (in shares) 0 0
Common stock authorized (in shares) 10,000,000 10,000,000
Common stock issued (in shares) 4,785,159 4,741,068
Common stock outstanding (in shares) 4,785,159 4,741,068